make_var_export.awk revision a2652f3451528565db1f85db6953fc30799d7ead
# Copyright 2001-2006 The Apache Software Foundation or its licensors, as
# applicable.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
# Based on apr's make_export.awk, which is
# based on Ryan Bloom's make_export.pl
/^#[ \t]*if(def)? (AP[RU]?_|!?defined).*/ {
if (old_filename != FILENAME) {
if (old_filename != "") printf("%s", line)
macro_no = 0
found = 0
count = 0
old_filename = FILENAME
line = ""
}
macro_stack[macro_no++] = macro
macro = substr($0, length($1)+2)
count++
line = line "#ifdef " macro "\n"
next
}
/^#[ \t]*endif/ {
if (count > 0) {
count--
line = line "#endif /* " macro " */\n"
macro = macro_stack[--macro_no]
}
if (count == 0) {
if (found != 0) {
printf("%s", line)
}
line = ""
}
next
}
function add_symbol (sym_name) {
if (count) {
found++
}
for (i = 0; i < count; i++) {
line = line "\t"
}
line = line sym_name "\n"
if (count == 0) {
printf("%s", line)
line = ""
}
}
/^[ \t]*(extern[ \t]+)?AP[RU]?_DECLARE_DATA .*;$/ {
varname = $NF;
gsub( /[*;]/, "", varname);
gsub( /\[.*\]/, "", varname);
add_symbol(varname);
}
END {
printf("%s", line)
}